Two-stage power supply with feedback adjusted power supply rejection ratio
US8125204B2 · kind B2 · utility
2Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2008 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Mar 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F1/575
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention discloses a power supply comprising: a switching regulator circuit converting an input voltage to an intermediate voltage; a low dropout linear regulator circuit converting the intermediate voltage to an output voltage so as to supply a load current to a load; and a feedback control circuit which increases the noise filtering effect of the low dropout linear regulator circuit when the load current increases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.